Epson TM-T70-i ePOS-Print API Users Manual For TM-i firmware 4.1 - Page 57

Chapter 3 Programming Guide Using the Spooler Function A printing job will be executed immediately and a response will be returned to the application after printing is complete when sending a printing request to ePOS-Print Service I/F from the application when the spooler function is disabled. Application ePOS-Print Printer 1 : send() 1.3 : callback(" success" ) 1.1 : Cmd() 1.2 : Printing results 1.1.1 : Print() The print data job will be added to the queue and a response will be returned to the application without waiting for printing to complete when sending a printing request to ePOS-Print Service I/F from the application when the spooler function is enabled. Application ePOS-Print Spooler Printer 1 : send(printjobid) 1.3 : callback(" success" ) 1.1 : send() 1.2 : Execution result 3 2 : Cmd() 2.1 : Print() 3 : getPrintJobStatus(printjobid) 3.3 : callback(" success" ) 3.1 : getPrintJobStatus() 3.2 : Print result Print result 57